#define _ENDLIT .text .L$_subsec
#define _LTORG .L$_subsec = .L$_subsec + 2; .text .L$_subsec
+// ELF section types.
+#if __ELF__
+# if CPUFAM_ARMEL
+# define _SECTTY(ty) %ty
+# else
+# define _SECTTY(ty) @ty
+# endif
+#endif
+
+// Section selection.
+#define TEXT .text .L$_subsec
+#if ABI_WIN
+# define RODATA .section .rdata, "dr"
+#elif __ELF__
+# define RODATA .section .rodata, "a", _SECTTY(progbits)
+#else
+# define RODATA TEXT
+#endif
+#define DATA .data
+
// Announcing an external function.
#define FUNC(name) \
.globl F(name); \
#endif
+#if CPUFAM_X86
+
+.macro _reg.0
+ // Stash GP registers and establish temporary stack frame.
+ pushfd
+ push eax
+ push ecx
+ push edx
+ push ebp
+ mov ebp, esp
+ and esp, ~15
+ sub esp, 512
+ fxsave [esp]
+.endm
+
+.macro _reg.1
+.endm
+
+.macro _reg.2
+.endm
+
+.macro _reg.3 fmt
+ // Print FMT and the other established arguments.
+ lea eax, .L$_reg$msg.\@
+ push eax
+ call printf
+ jmp .L$_reg$cont.\@
+.L$_reg$msg.\@:
+ .ascii ";; \fmt\n\0"
+.L$_reg$cont.\@:
+ mov eax, ebp
+ and eax, ~15
+ sub eax, 512
+ fxrstor [eax]
+ mov esp, ebp
+ pop ebp
+ pop edx
+ pop ecx
+ pop eax
+ popfd
+.endm
+
+.macro msg msg
+ _reg.0
+ _reg.1
+ _reg.2
+ _reg.3 "\msg"
+.endm
+
+.macro reg r, msg
+ _reg.0
+ .ifeqs "\r", "esp"
+ lea eax, [ebp + 20]
+ push eax
+ .else
+ .ifeqs "\r", "ebp"
+ push [ebp]
+ .else
+ push \r
+ .endif
+ .endif
+ _reg.1
+ _reg.2
+ _reg.3 "\msg: \r = %08x"
+.endm
+
+.macro xmmreg r, msg
+ _reg.0
+ _reg.1
+ _reg.2
+ movdqu xmm0, \r
+ pshufd xmm0, xmm0, 0x1b
+ sub esp, 16
+ movdqa [esp], xmm0
+ _reg.3 "\msg: \r = %08x %08x %08x %08x"
+.endm
+
+.macro mmreg r, msg
+ _reg.0
+ _reg.1
+ _reg.2
+ pshufw \r, \r, 0x4e
+ sub esp, 8
+ movq [esp], \r
+ _reg.3 "\msg: \r = %08x %08x"
+.endm
+
+.macro freg i, msg
+ _reg.0
+ _reg.1
+ _reg.2
+ finit
+ fldt [esp + 32 + 16*\i]
+ sub esp, 12
+ fstpt [esp]
+ _reg.3 "\msg: st(\i) = %.20Lg"
+.endm
+
+.macro fxreg i, msg
+ _reg.0
+ _reg.1
+ _reg.2
+ finit
+ fldt [esp + 32 + 16*\i]
+ sub esp, 12
+ fstpt [esp]
+ _reg.3 "\msg: st(\i) = %La"
+.endm
+
+#endif
+
///--------------------------------------------------------------------------
/// ARM-specific hacking.
# define SIZE_OBJ(name)
#endif
+#if __ELF__ && defined(WANT_EXECUTABLE_STACK)
+ .pushsection .note.GNU-stack, "", _SECTTY(progbits)
+ .popsection
+#endif
+
///----- That's all, folks --------------------------------------------------